<template>
	<view class="content">
		<view class="navbar">
			<view 
				v-for="(item, index) in navList" :key="index" 
				class="nav-item" 
				:class="{current: tabCurrentIndex === index}"
				@click="tabClick(index)"
			>
				{{item.text}}
			</view>
		</view>
		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view 
					class="list-scroll-content" 
					scroll-y
					@scrolltolower="loadData"
				>
					<!-- 空白页 -->
					<empty v-if=" tabItem.orderList.length === 0"></empty>
					
					<!-- 订单列表 -->
					<view 
						v-for="(item,index) in tabItem.orderList" :key="index"
						class="order-item"
					>
						<view class="i-top b-b">
							<text class="time">{{item.createTime}}</text>
							<text class="state" :style="{color: item.stateTipColor}">{{getStat(item.stat)}}</text>
							<text 
								v-if="item.state===9" 
								class="del-btn yticon icon-iconfontshanchu1"
								@click="deleteOrder(index)"
							></text>
						</view>
						
						<scroll-view v-if="item.goods.length > 1" class="goods-box" scroll-x>
							<view
								v-for="(goodsItem, goodsIndex) in item.goods" :key="goodsIndex"
								class="goods-item"
							>
								<image class="goods-img" :src="picUrl + goodsItem.pic1" mode="aspectFill"></image>
							</view>
						</scroll-view>
						<view 
							v-if="item.goods.length === 1" 
							class="goods-box-single"
							v-for="(goodsItem, goodsIndex) in item.goods" :key="goodsIndex"
						>
							<image class="goods-img" :src="picUrl + goodsItem.pic1" mode="aspectFill"></image>
							<view class="right">
								<text class="title clamp">{{goodsItem.title}}</text>
								<text class="attr-box">{{goodsItem.attr}}  x {{goodsItem.number}}</text>
								<text class="price">{{goodsItem.price}}</text>
							</view>
						</view>
						
						<view class="price-box">
							共
							<text class="num">{{item.goods.length}}</text>
							件商品 实付款
							<text class="price">{{item.priceAll}}</text>
						</view>
						<view class="action-box b-t" v-if="item.stat == 3">
							<!-- <button class="action-btn" @click="cancelOrder(item)">取消订单</button> -->
							<button class="action-btn recom"  @click="getComment(item)">立即评价</button>
						</view>
						<view class="action-box b-t" v-if="item.stat == 2&&user.uid == item.userFk">
							<button class="action-btn recom" @click="changeOrder(item.id,3)">收货</button>
						</view>
						<view class="action-box b-t" v-if="item.stat == 1&&user.type == 2">
							<button class="action-btn recom" @click="changeOrder(item.id,2)">发货</button>
						</view>
						<view class="action-box b-t" v-if="item.stat == 4">
							<text class="u-tips-color">已完成</text>
						</view>
					</view>
					 
					<uni-load-more :status="tabItem.loadingType"></uni-load-more>
					
				</scroll-view>
			</swiper-item>
		</swiper>
		
		<u-modal v-model="show" title="评论" @confirm="commentSub">
			<view class="slot-content">

				<view class="u-flex u-p-20 u-border-bottom" v-if="selItem.length > 0" v-for="(item ,index) in selItem">
					<image style="width: 100rpx;height:100rpx;" :src="picUrl+item.pic1"></image>
					<u-input class="u-m-20 u-m-l-30" type="text" placeholder="请输入评论" v-model="item.memo" placeholderStyle="textAlign:center"/>
				</view>
				
			</view>
		</u-modal>
		
	</view>
</template> 

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import empty from "@/components/empty";
	import Json from '@/Json';
	import appRequest from "@/common/appRequestUrl.js";
	export default {
		components: {
			uniLoadMore,
			empty
		},
		data() {
			return {
				show:false,
				picUrl:appRequest.getPicById,
				tabCurrentIndex: 0,
				selOrder:"",
				selItem:[],
				user:{},
				navList: [{
						state: 0,
						text: '全部',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 1,
						text: '待发货',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 2,
						text: '待收货',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 3,
						text: '待评价',
						loadingType: 'more',
						orderList: []
					}
				],
			};
		},
		
		onLoad(options){
			/**
			 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
			 * 替换onLoad下代码即可
			 */
			this.tabCurrentIndex = options.index || 0;
			// // #ifndef MP
			// this.loadData()
			// // #endif
			// // #ifdef MP
			// if(options.state == 0){
			// 	this.loadData()
			// }
			// // #endif
			
		},onShow() {
			this.user = appRequest.getUserInfo();
			this.getOrders(this.tabCurrentIndex == 0?null:this.tabCurrentIndex);
			
		},
		 
		methods: {
			commentSub(){
				for(let i=0;i<this.selItem.length;i++ ){
					let obj = this.selItem[i];
					if(obj.memo==null || !obj.memo){
						this.$api.msg("请填写完整");
						return;
					}
				}
				let _this = this;
				appRequest.request({
					method: "POST",
					url: appRequest.setCommnt,
					data:{
						data:JSON.stringify(this.selItem)
					},
					success: function(res) {
						if(res.data.code == 200){
							_this.$api.msg("评论成功");
							_this.editOrder(_this.selOrder.id);
						}else{
							_this.$api.msg(res.data.msg);
						}
					},
					fail: function(res) {
						_this.$api.msg("提交异常");
					}
				})
				
				
			},
			getComment(item){
				this.selItem = item.goods;
				this.selItem.map(function(obj,index,arr){
					obj.memo = "";
					obj.type = obj.id;
				});
				this.show = true;
				this.selOrder = item;
			},
			changeOrder(id,stat){
				let _this = this;
				uni.showModal({
					title:"操作确认",
					content:"是否提交操作?",
					success:function(res){
						if(res.confirm){
							
							
							appRequest.request({
								method: "POST",
								url: appRequest.setOrder,
								data:{
									id:id,
									stat:stat
								},
								success: function(res) {
									if(res.data.code == 200){
										_this.$api.msg("操作成功");
										_this.getOrders(_this.tabCurrentIndex == 0?null:_this.tabCurrentIndex);
									}else{
										_this.$api.msg(res.data.msg);
									}
								},
								fail: function(res) {
									_this.$api.msg("提交异常");
								}
							})
							
						}
					}
				})
				
				
				
			},
			editOrder(id){
				let _this = this;
				appRequest.request({
					method: "POST",
					url: appRequest.setOrder,
					data:{
						id:id,
						stat:4
					},
					success: function(res) {
						if(res.data.code == 200){
							_this.$api.msg("订单完成");
							_this.getOrders(_this.tabCurrentIndex == 0?null:_this.tabCurrentIndex);
						}else{
							_this.$api.msg(res.data.msg);
						}
					},
					fail: function(res) {
						_this.$api.msg("提交异常");
					}
				})
			},
			getStat(stat){
				switch (stat){
					case 1:
					return "待商家发货";
						break;
					case 2:
					return "待用户收货";
						break;
					case 3:
					return "待用户评价";
						break;
					case 4:
					return "已完成";			
					default:
					return "";	
						break;
				}
			},
			getOrders(stat){
				let _this = this;
				appRequest.request({
					method: "POST",
					url: appRequest.getOrder,
					data:{
						data:JSON.stringify({
							valid_flag:1,
							stat:stat,
							type:1
						})
					},
					success: function(res) {
						if(res.data.code == 200){
							_this.navList[_this.tabCurrentIndex].orderList = res.data.data;
						}else{
							_this.$api.msg(res.data.msg);
						}
					},
					fail: function(res) {
						_this.$api.msg("提交异常");
					}
				})
			},
			//获取订单列表
			loadData(source){
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;
				
				if(source === 'tabChange' && navItem.loaded === true){
					//tab切换只有第一次需要加载数据
					return;
				}
				if(navItem.loadingType === 'loading'){
					//防止重复加载
					return;
				}
				
				navItem.loadingType = 'loading';
				
				setTimeout(()=>{
					let orderList = Json.orderList.filter(item=>{
						//添加不同状态下订单的表现形式
						item = Object.assign(item, this.orderStateExp(item.state));
						//演示数据所以自己进行状态筛选
						if(state === 0){
							//0为全部订单
							return item;
						}
						return item.state === state
					});
					orderList.forEach(item=>{
						navItem.orderList.push(item);
					})
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);
					
					//判断是否还有数据， 有改为 more， 没有改为noMore 
					navItem.loadingType = 'more';
				}, 600);	
			}, 

			//swiper 切换
			changeTab(e){
				this.tabCurrentIndex = e.target.current;
				this.getOrders(this.tabCurrentIndex == 0?null:this.tabCurrentIndex);
				// this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index){
				this.tabCurrentIndex = index;
			},
			//删除订单
			deleteOrder(index){
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(()=>{
					this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
					uni.hideLoading();
				}, 600)
			},
			//取消订单
			cancelOrder(item){
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(()=>{
					let {stateTip, stateTipColor} = this.orderStateExp(9);
					item = Object.assign(item, {
						state: 9,
						stateTip, 
						stateTipColor
					})
					
					//取消订单后删除待付款中该项
					let list = this.navList[1].orderList;
					let index = list.findIndex(val=>val.id === item.id);
					index !== -1 && list.splice(index, 1);
					
					uni.hideLoading();
				}, 600)
			},

			//订单状态文字和颜色
			orderStateExp(state){
				let stateTip = '',
					stateTipColor = '#fa436a';
				switch(+state){
					case 1:
						stateTip = '待付款'; break;
					case 2:
						stateTip = '待发货'; break;
					case 9:
						stateTip = '订单已关闭'; 
						stateTipColor = '#909399';
						break;
						
					//更多自定义
				}
				return {stateTip, stateTipColor};
			}
		},
	}
</script>

<style lang="scss">
	page, .content{
		background: $page-color-base;
		height: 100%;
	}
	
	.swiper-box{
		height: calc(100% - 40px);
	}
	.list-scroll-content{
		height: 100%;
	}
	
	.navbar{
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0,0,0,.06);
		position: relative;
		z-index: 10;
		.nav-item{
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;
			&.current{
				color: $base-color;
				&:after{
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item{
		height: auto;
	}
	.order-item{
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;
		.i-top{
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right:30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;
			.time{
				flex: 1;
			}
			.state{
				color: $base-color;
			}
			.del-btn{
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;
				&:after{
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}
		/* 多条商品 */
		.goods-box{
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;
			.goods-item{
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}
			.goods-img{
				display: block;
				width: 100%;
				height: 100%;
			}
		}
		/* 单条商品 */
		.goods-box-single{
			display: flex;
			padding: 20upx 0;
			.goods-img{
				display: block;
				width: 120upx;
				height: 120upx;
			}
			.right{
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;
				.title{
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}
				.attr-box{
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}
				.price{
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					&:before{
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}
		
		.price-box{
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;
			.num{
				margin: 0 8upx;
				color: $font-color-dark;
			}
			.price{
				font-size: $font-lg;
				color: $font-color-dark;
				&:before{
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}
		.action-box{
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}
		.action-btn{
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;
			&:after{
				border-radius: 100px;
			}
			&.recom{
				background: #fff9f9;
				color: $base-color;
				&:after{
					border-color: #f7bcc8;
				}
			}
		}
	}
	
	
	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}
	
	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}
	
	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}
	
	.uni-load-more__img>view {
		position: absolute
	}
	
	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}
	
	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}
	
	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}
	
	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}
	
	.load2 {
		transform: rotate(30deg)
	}
	
	.load3 {
		transform: rotate(60deg)
	}
	
	.load1 view:nth-child(1) {
		animation-delay: 0s
	}
	
	.load2 view:nth-child(1) {
		animation-delay: .13s
	}
	
	.load3 view:nth-child(1) {
		animation-delay: .26s
	}
	
	.load1 view:nth-child(2) {
		animation-delay: .39s
	}
	
	.load2 view:nth-child(2) {
		animation-delay: .52s
	}
	
	.load3 view:nth-child(2) {
		animation-delay: .65s
	}
	
	.load1 view:nth-child(3) {
		animation-delay: .78s
	}
	
	.load2 view:nth-child(3) {
		animation-delay: .91s
	}
	
	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}
	
	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}
	
	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}
	
	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}
	
	@-webkit-keyframes load {
		0% {
			opacity: 1
		}
	
		100% {
			opacity: .2
		}
	}
</style>
